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MIKE WALLER YACHT DESIGN
TC670 Catamaran - Mike Waller Yacht Design
TC670 TRAILER CATAMARAN
Designed by Mike Waller
Our most popular catamaran design, the WALLER TC 670 was designed as an easy to build and sail multi-hull yacht, which could also be trailed by the average family car without the need for demounting or expensive collapsable trailers. Designed primarily for 2 people, the TC 670 is ideal for a couple, or a family with young children.
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Study Plans
(downloaded)
$25.00 Aud
Full Plans
(emailed)
$250.00 Aud
DIMENSIONS
L.O.A. 6.70 Mtrs
Beam 2.40 Mtrs
Draft (board up) 0.29 Mtrs
Draft (boards down) 0.90 Mtrs
Displacement 1072 Kg
Weight (on trailer) 770 Kg
Hull Beam/LWL Ratio 1:9
Sail Area 23.00 Squ Mtrs
Payload 600 Kg
Note# All displacement and payload weights above are as per designed plan, and cannot be guaranteed.
CONCEPT

The small cabin features a double berth, a good sized and easy to use galley, and a small table around which 3 can sit in comfort. There is also a chemical toilet beneath the foot of the double berth, and 2 children could bunk down in the cockpit under a boom tent. At anchor, the tent will turn the cockpit into a huge covered living area.It is also quite possible to add quarter berths in each hull under the cockpit seats for children.

The multi chine hull (flat bottom with 2 chines) is constructed from sheet ply over plywood, with minimal timber framing. Construction employs the timber / epoxy building technique, is very strong to stand up to the rigors of trailing, and is simple and straightforward with the entire shell built as a single unit. When turned over, very little is required to complete the vessel.

This yacht features a single centre board and rudder placed on the center line. On small, narrower cats, this configuration has proven to be most effective and efficient, and the lack of board cases in the hulls makes construction that much easier and quicker

The rig is a simple 7/8 design, with simple spars and utilizing off the shelf fittings. The rig can be home built if desired.

Particular care has been taken to ensure that this boat is both a safe and reliable performer, with an efficient sail plan and low profile for windward performance. Note that its intended use is sheltered and semi sheltered waters, and not open water.

All sails can be reefed in a blow, and the yacht features removeable 'hobbie' style out-rider seats for sailing in stronger winds.For normal sailing these are unnecessary. The rig features an assymetrical spinnaker set from a bow pole, but a normal symetrical spinnaker could be used if desired.
TC670 profile and rig
TC670 layout
DIMENSIONS
L.O.A. 6.70 Mtrs
Beam 2.40 Mtrs
Draft (board up) 0.29 Mtrs
Draft (boards down) 0.90 Mtrs
Displacement 1072 Kg
Weight (on trailer) 770 Kg
Hull Beam/LWL Ratio 1:9
Sail Area 23.00 Squ Mtrs
Payload 600 Kg
Note# All displacement and payload weights above are as per designed plan, and cannot be guaranteed.
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MIKE WALLER YACHT DESIGN
TC 670 Catamaran by Mike Waller Yacht Design
TC 670 Catamaran by Mike Waller Yacht Design
tc670 Catamaran by Mike Waller Yacht Design
TC 670 Catamaran by Mike Waller Yacht Design
TC 670 Catamaran by Mike Waller Yacht Design
TC 670 Catamaran by Mike Waller Yacht Design
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